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60 VAV-PRC011M-EN

Single-Duct VAV Terminal Units

Mechanical Specifications

Single-Duct Terminal Units

Casing

22-gage galvanized steel.

Agency Listing

Unit is UL and Canadian UL Listed as a room air terminal unit. Control # 9N65. AHRI 880 Certified.

Insulation

1/2" (12.7 mm) Matte-faced Insulation—Interior surface of unit casing is acoustically and thermally

lined with ½-inch, 1.5 lb/ft3 (12.7 mm, 24.0 kg/m3) composite density glass fiber with a high-density

facing. Insulation R-Value is 1.9. Insulation is UL listed and meets NFPA-90A and UL 181 standards.

There are no exposed edges of insulation (complete metal encapsulation).

1" (25.4 mm) Matte-faced Insulation—Interior surface of unit casing is acoustically and thermally

lined with 1-inch, 1.0 lb/ft3 (25.4 mm, 16.0 kg/m3) composite density glass fiber with a high-density

facing. Insulation R-Value is 3.85. Insulation is UL listed and meets NFPA-90A and UL 181 standards.

There are no exposed edges of insulation (complete metal encapsulation).

1" (25.4 mm) Foil-faced Insulation— Interior surface of unit casing is acoustically and thermally

lined with 1-inch, 1.0 lb/ft3 (25.4 mm, 16.0 kg/m3) density glass fiber with foil facing. Insulation R-

Value is 3.85. Insulation is UL listed and meets NFPA-90A and UL 181 standards and bacteriological

standard ASTM C 665. There are no exposed edges of insulation (complete metal encapsulation).

1" (25.4 mm) Double-wall Insulation—Interior surface of unit casing is acoustically and thermally

lined with a 1-inch, 1.0 lb./ft3 (25.4 mm, 16.0 kg/m3) composite density glass fiber with high-density

facing. Insulation R-value is 3.85. Insulation is UL listed and meets NFPA-90A and UL 181 standards.

Insulation is covered by interior liner made of 26-gage galvanized steel. All wire penetrations are

covered by grommets. There are no exposed edges of insulation (complete metal encapsulation).

3/8" (9.5 mm) Closed-cell Insulation—Interior surface of the unit casing is acoustically and

thermally lined with 3/8-inch, 4.4 lb/ft3 (9.5 mm, 70.0 kg/m3) closed-cell insulation. Insulation is UL

listed and meets NFPA-90A and UL 181 standards. Insulation has an R-Value of 1.4. There are no

exposed edges of insulation (complete metal encapsulation).

Primary Air Valve

Air Valve Round—The primary air inlet connection is an 18-gage galvanized steel cylinder sized to

fit standard round duct. A multiple-point, averaging flow sensing ring is provided with balancing

taps for measuring +/-5% of unit cataloged airflow. An airflow-versus-pressure differential

calibration chart is provided. The damper blade is constructed of a closed-cell foam seal that is

mechanically locked between two 22-gage galvanized steel disks. The damper blade assembly is

connected to a cast zinc shaft supported by self-lubricating bearings. The shaft is cast with a

damper position indicator. The valve assembly includes a mechanical stop to prevent over-

stroking. At 4.0 in. wg, air valve leakage does not exceed 1% of cataloged airflow.

Air Valve Rectangular—Inlet collar is constructed of 22-gage galvanized steel sized to fit standard

rectangular duct. An integral multiple-point, averaging flow-sensing ring provides primary airflow

measurement within +/-5% of unit cataloged airflow. Damper is 22-gage galvanized steel. The

damper blade assembly is connected to a cast zinc shaft supported by self-lubricating bearings.

The shaft is cast with a damper position indicator. The valve assembly includes a mechanical stop

to prevent over-stroking. At 3.0 in. wg air valve leakage does not exceed 6% of maximum airflow.

VCCF - Cooling Only VCWF - With Hot Water Coil VCEF - With Electric Coil

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